Revert "Remove tabby, move TMUX status to top, reenable automatic TMUX on startup"

This reverts commit ad1c89f655.

config/nvim/lua/plugins.lua

@@ -16,6 +16,12 @@ require('packer').startup {
                 require 'config.nightfox'
             end
         }
+        use {
+            'nanozuki/tabby.nvim',
+            config = function ()
+                require 'config.tabby'
+            end
+        }
         use {
             "navarasu/onedark.nvim",
         }

config/tmux/tmux.conf

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 
-set-option -g status-position top
 set -g base-index 1
 
 # List of plugins